package cn.dust.design.pattern.behavioral.command.FBSettingWindow;

public class HelpCommand extends Command{
    private HelpHandler hhObj; //维持对请求接收者的引用

    public HelpCommand() {
        hhObj = new HelpHandler();
    }

    //命令执行方法，将调用请求接收者的业务方法
    public void execute() {
        hhObj.display();
    }
}
